Ответ:

  1. 64² = 4096.
  2. ∛27 = 3.
  3. 8^(2/3) = (∛8)² = 4.
  4. 81^(3/4) = (⁴√81)³ = 27.
  5. 16^(−0,75) = 16^(−3/4) = 1/(⁴√16)³ = 1/8.
  6. 9^(−1,5) = 9^(−3/2) = 1/(√9)³ = 1/27.